:root {
  --ink: #162126;
  --muted: #5c6870;
  --paper: #ffffff;
  --soft: #f5faf9;
  --mist: #e8f4f2;
  --sage: #0d766f;
  --sage-dark: #07544e;
  --coral: #c95f4a;
  --gold: #b9913e;
  --line: #dbe8e5;
  --shadow: 0 18px 50px rgba(23, 38, 42, 0.12);
  --max: 1180px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans JP", "Noto Sans SC", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Microsoft YaHei", Meiryo, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

body.nav-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 0 32px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(219, 232, 229, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  line-height: 1.2;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--sage);
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
}

.brand-name {
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav a {
  padding: 10px 13px;
  border-radius: 6px;
  color: #2f3d43;
  font-size: 0.94rem;
  font-weight: 700;
  transition: background 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--mist);
  color: var(--sage-dark);
  outline: none;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
  padding-left: 10px;
  border-left: 1px solid var(--line);
}

.language-switch a {
  min-width: 58px;
  padding: 8px 10px;
  text-align: center;
}

.language-switch a.is-active {
  background: var(--sage);
  color: var(--paper);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: currentColor;
  transition: transform 160ms ease, opacity 160ms ease;
}

.nav-open .nav-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .nav-toggle span:nth-child(2) {
  opacity: 0;
}

.nav-open .nav-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: calc(100svh - 52px);
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 112px 0 64px;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  z-index: -2;
}

.hero-shade {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 38%, rgba(255, 255, 255, 0.34) 65%, rgba(255, 255, 255, 0.1) 100%),
    linear-gradient(180deg, rgba(232, 244, 242, 0.25), rgba(255, 255, 255, 0.05));
}

.hero-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  max-width: 680px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  color: #102024;
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.12;
}

h2 {
  margin: 0;
  font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 2.35rem;
  line-height: 1.24;
}

h3 {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.45;
}

.hero-lead {
  margin: 22px 0 0;
  max-width: 620px;
  color: var(--sage-dark);
  font-size: 1.42rem;
  font-weight: 800;
  line-height: 1.55;
}

.hero-copy {
  max-width: 640px;
  margin: 20px 0 0;
  color: #39484e;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  line-height: 1.3;
  cursor: pointer;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button-primary {
  background: var(--sage);
  color: var(--paper);
  box-shadow: 0 10px 22px rgba(13, 118, 111, 0.22);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--sage-dark);
}

.button-secondary {
  background: var(--ink);
  color: var(--paper);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: #2b3b42;
}

.button-ghost {
  background: rgba(255, 255, 255, 0.74);
  border-color: var(--line);
  color: var(--ink);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  background: var(--paper);
  border-color: var(--sage);
}

.section {
  padding: 96px 0;
}

.intro-band,
.flow-section,
.contact-section {
  background: var(--soft);
}

.split-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: start;
}

.lead-block {
  border-left: 4px solid var(--sage);
  padding-left: 28px;
  color: #2e3d43;
  font-size: 1.08rem;
}

.lead-block p:first-child,
.section-heading p:first-of-type,
.contact-copy p:first-of-type {
  margin-top: 0;
}

.lead-block p:last-child,
.section-heading p:last-child,
.contact-copy p:last-child {
  margin-bottom: 0;
}

.narrative-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 52px;
}

.narrative-grid article > p {
  color: var(--muted);
}

.statement {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.values-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
}

.values-list div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.values-list dt {
  color: var(--sage-dark);
  font-weight: 900;
}

.values-list dd {
  margin: 0;
  color: var(--muted);
}

.services-section {
  background: linear-gradient(180deg, #ffffff 0%, #f6faf9 100%);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.section-heading.compact {
  margin-bottom: 24px;
}

.section-heading p {
  color: var(--muted);
  font-size: 1.04rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 12px 34px rgba(23, 38, 42, 0.08);
}

.service-featured {
  border-top: 5px solid var(--sage);
}

.service-number {
  display: inline-flex;
  align-items: center;
  width: max-content;
  margin-bottom: 18px;
  color: var(--gold);
  font-weight: 900;
}

.service-card p {
  color: var(--muted);
}

.check-list {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 22px;
  color: #34444a;
  font-size: 0.95rem;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sage);
}

.reasons-section {
  background: #ffffff;
}

.reason-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.reason-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.reason-list span {
  color: var(--coral);
  font-size: 1.05rem;
  font-weight: 900;
}

.reason-list p {
  margin: 8px 0 0;
  color: var(--muted);
}

.flow-track {
  display: grid;
  grid-template-columns: repeat(6, minmax(180px, 1fr));
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-color: var(--sage) var(--mist);
}

.flow-track article {
  min-width: 180px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.flow-track span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--sage);
  color: var(--paper);
  font-weight: 900;
}

.flow-track p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 52px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 66px;
  gap: 18px;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-weight: 850;
  text-align: left;
  cursor: pointer;
}

.faq-question > span:first-child {
  flex: 1;
}

.faq-question > span:last-child {
  position: relative;
  width: 24px;
  height: 24px;
  flex: 0 0 24px;
  border-radius: 50%;
  background: var(--mist);
}

.faq-question > span:last-child::before,
.faq-question > span:last-child::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 6px;
  width: 12px;
  height: 2px;
  background: var(--sage);
}

.faq-question > span:last-child::after {
  transform: rotate(90deg);
  transition: transform 140ms ease;
}

.faq-question[aria-expanded="true"] > span:last-child::after {
  transform: rotate(0deg);
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 54px;
  align-items: start;
}

.contact-lead {
  color: var(--sage-dark);
  font-size: 1.2rem;
  font-weight: 850;
}

.contact-list {
  display: grid;
  gap: 10px;
  margin: 30px 0 0;
  font-style: normal;
}

.contact-list a,
.contact-list button,
.contact-list div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 16px;
  align-items: center;
  width: 100%;
  min-height: 56px;
  padding: 14px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: inherit;
  text-align: left;
}

.contact-list button {
  cursor: pointer;
}

.contact-list span {
  color: var(--coral);
  font-size: 0.86rem;
  font-weight: 900;
}

.contact-list strong {
  color: var(--ink);
  font-size: 1rem;
}

.copy-feedback {
  min-height: 28px;
  color: var(--sage-dark);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
}

.contact-form label span {
  color: #334248;
  font-size: 0.92rem;
  font-weight: 850;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cbdad7;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--sage);
  box-shadow: 0 0 0 3px rgba(13, 118, 111, 0.14);
  outline: none;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.form-status {
  min-height: 28px;
  margin: 0;
  color: var(--sage-dark);
  font-weight: 800;
}

.form-status.is-error {
  color: var(--coral);
}

.form-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding: 54px 0 24px;
}

.footer-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px;
  align-items: start;
}

.site-footer strong {
  font-size: 1.15rem;
}

.site-footer p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
  max-width: 520px;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 750;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: #ffffff;
  outline: none;
}

.copyright {
  width: min(var(--max), calc(100% - 48px));
  margin: 34px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.88rem;
}

@media (max-width: 1100px) {
  .service-grid,
  .narrative-grid,
  .split-layout,
  .faq-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .service-grid {
    max-width: 760px;
  }
}

@media (max-width: 860px) {
  .site-header {
    min-height: 68px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 68px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 4px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: transform 160ms ease, opacity 160ms ease;
  }

  .language-switch {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin: 8px 0 0;
    padding: 10px 0 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .nav-open .site-nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    padding: 13px 12px;
  }

  .brand-name {
    font-size: 0.95rem;
  }

  .hero {
    min-height: calc(100svh - 58px);
    padding: 92px 0 48px;
  }

  .hero-image {
    object-position: 68% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.88) 56%, rgba(255, 255, 255, 0.58) 100%),
      linear-gradient(180deg, rgba(232, 244, 242, 0.34), rgba(255, 255, 255, 0.1));
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 1.95rem;
  }

  .hero-lead {
    font-size: 1.18rem;
  }

  .section {
    padding: 72px 0;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .container,
  .hero-inner,
  .copyright {
    width: min(100% - 32px, var(--max));
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.68rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .lead-block {
    padding-left: 18px;
  }

  .statement,
  .service-card,
  .contact-form {
    padding: 22px;
  }

  .values-list div,
  .reason-list li,
  .contact-list a,
  .contact-list button,
  .contact-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .reason-list li {
    padding: 24px 0;
  }

  .flow-track {
    grid-template-columns: 1fr;
    overflow: visible;
  }

  .flow-track article {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}